Improvement in wrenches



UNITED STATES WILLIAM JOHNSON, OF MILWAUKEE, WISCONSIN IMPROVEMENT IN WRENCHS.

Specification forming part of Letters Patent No. 133,536, dated December 3, 1h72.

To all lwhom it may concern: I

Be it known that I, WILLIAM JOHNSON, of Milwaukee, in the county of Milwaukeeand in the State of Wisconsin, have invented certain Improvements in Wrench, of which the following is a specification:

N @ture cmd Object of the Invent/ion.

Description ofthe Drawing forming part of this Specification.

Figure 1 is a. sectional view of the wrench;

Fig. 2, a. perspective View of the wrench and bushing.

General Description.

A is the handle of the wrench; B, the projection which tits into the inside of the bushing; O, a. rod which runs down through the projection B in a. hole nearer one side than the other; D, :t piece on the end of the rod O which ts into a. recess in the bottom of B 5 E, a. knob on the top of rod C; F, spring on rod O, under knob E, which holds the rod C up in pla-ce; G, a screw in the top of rod O which holds knob E on securely in place; H, the bush; I, the projection on the bottom of the bushing which the part of the wrench D strikes against to screw the bushing into place.

The operation of this wrench is as follows: The part B is placed in the bush, and the 0peretor then takes hold of the knob E and turns it, and as it turns the part D at the bottom is turned out and catches against the projection I in the bushing, and then the handle A and the bush will turn with it and be screwed home.

Claim.

The combination and arrangement of projee tion B, rod C, piece D, and knob E, substantially as and for the purpose set forth. v

WILLIAM JOHNSON.

Witnesses:

J. B. SMITH, E. J. SMITH.

PATENT OFFICE. 

